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Fast Track Troubleshooting Manual

Power On Sequence:

1. Standby Voltage,  (CNM802, #16, 5v)

2. Power On,  (CNM802,#18, 0-1.5v)

3. Low Voltage Supplies On, (D12, D5.3V) 

4. High Voltage Supplies On, (CNM802, #4, 

BLU_ON)

5. Back Light “On” Confirmation

2

To Force Backlight  On:

1. Remove AC and Main Bd Pwr cable (CN201) 

2. Short “Power On/Off” to Stdby +5 

(CNM802, #16 to #18)

3. Apply AC power

4. Backlight  should be on immediately.  

Woofer

CNM802

CNM802

1

D12V

2

Vdrv_Det

3

D12V

4

BLU_On/Off

5

D12V

6

PWM_DIM

7

GND

8

H_Sync

9

GND

10

GND

11

D5.3V

12

GND

13

D5.3V

14

D5.3V

15

Vamp

16

STBY

17

Vamp

18

Power On/Off

UN40C7000WFXZA

Содержание UN40C7000WFXZA

Страница 1: ...E ME GSPN http service samsungportal com EP web portal js p EP_Default1 jsp PLUS ONE http my plus1solutions net clientPortals samsung HOT TIPS Power On Problems see page 3 Video Problems see page 4 Service Bulletins Publication APUN40C7000 Rev Date 5 28 12 2010 LED Option Byte Table Version Parts No Short Description ALL BN44 00375A Power PCB SS02 BN81 05858A T CON PCB SQ01 BN94 02757B Main PCB SS...

Страница 2: ...N 5 Back Light On Confirmation 2 To Force Backlight On 1 Remove AC and Main Bd Pwr cable CN201 2 Short Power On Off to Stdby 5 CNM802 16 to 18 3 Apply AC power 4 Backlight should be on immediately Woofer CNM802 CNM802 1 D12V 2 Vdrv_Det 3 D12V 4 BLU_On Off 5 D12V 6 PWM_DIM 7 GND 8 H_Sync 9 GND 10 GND 11 D5 3V 12 GND 13 D5 3V 14 D5 3V 15 Vamp 16 STBY 17 Vamp 18 Power On Off UN40C7000WFXZA ...

Страница 3: ... Service Remote 2 Power off 2 Power On 3 Mute 182 Power 3 Info Test Fast Track Troubleshooting Manual 2010 Models 1 Select an active source signal HDMI preferred Test Pattern may rely on signal source to appear 2 Access Service Mode 3 Access SVC 4 Access Test Patterns 5 Access Genoa P 6 Check Test Patterns 7 If OK suspect input Source 8 Access Napoli 9 Check Test Patterns 10 If OK and Genoa P was ...

Страница 4: ...ON 2 Check Perform Firmware Upgrade for all repairs 3 Perform reset in Service Mode Plug and Play if Main board is replaced De lamination PANEL FAILURE Vertical or Horizontal Lines Defective Panel likely but also T CON LVDS or Main Board Use Test Patterns in Factory Service Mode to determine error UN40C7000WFXZA Model Code UN40C7000WFXZA Side Label Option Type Model Tuner Light Effect Ch Table Cou...

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